/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 INRIA, France Telecom
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

package the.bytecode.club.bytecodeviewer.obfuscators.mapping;

import org.objectweb.asm.*;
import the.bytecode.club.bytecodeviewer.Constants;

/**
 * A {@link ClassVisitor} for type remapping.
 *
 * @author Eugene Kuleshov
 */
public class RemappingClassAdapter extends ClassVisitor
{

    protected final Remapper remapper;

    protected String className;

    public RemappingClassAdapter(ClassVisitor cv, Remapper remapper)
    {
        this(Constants.ASM_VERSION, cv, remapper);
    }

    protected RemappingClassAdapter(int api, ClassVisitor cv, Remapper remapper)
    {
        super(api, cv);
        this.remapper = remapper;
    }

    @Override
    public void visit(int version, int access, String name, String signature, String superName, String[] interfaces)
    {
        this.className = name;
        super.visit(version, access, remapper.mapType(name), remapper.mapSignature(signature, false), remapper.mapType(superName), interfaces == null ? null : remapper.mapTypes(interfaces));
    }

    @Override
    public AnnotationVisitor visitAnnotation(String desc, boolean visible)
    {
        AnnotationVisitor av = super.visitAnnotation(remapper.mapDesc(desc), visible);
        return av == null ? null : createRemappingAnnotationAdapter(av);
    }

    @Override
    public AnnotationVisitor visitTypeAnnotation(int typeRef, TypePath typePath, String desc, boolean visible)
    {
        AnnotationVisitor av = super.visitTypeAnnotation(typeRef, typePath, remapper.mapDesc(desc), visible);
        return av == null ? null : createRemappingAnnotationAdapter(av);
    }

    @Override
    public FieldVisitor visitField(int access, String name, String desc, String signature, Object value)
    {
        FieldVisitor fv = super.visitField(access, remapper.mapFieldName(className, name, desc), remapper.mapDesc(desc), remapper.mapSignature(signature, true), remapper.mapValue(value));
        return fv == null ? null : createRemappingFieldAdapter(fv);
    }

    @Override
    public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions)
    {
        String newDesc = remapper.mapMethodDesc(desc);
        MethodVisitor mv = super.visitMethod(access, remapper.mapMethodName(className, name, desc), newDesc, remapper.mapSignature(signature, false), exceptions == null ? null : remapper.mapTypes(exceptions));
        return mv == null ? null : createRemappingMethodAdapter(access, newDesc, mv);
    }

    @Override
    public void visitInnerClass(String name, String outerName, String innerName, int access)
    {
        // TODO should innerName be changed?
        super.visitInnerClass(remapper.mapType(name), outerName == null ? null : remapper.mapType(outerName), innerName, access);
    }

    @Override
    public void visitOuterClass(String owner, String name, String desc)
    {
        super.visitOuterClass(remapper.mapType(owner), name == null ? null : remapper.mapMethodName(owner, name, desc), desc == null ? null : remapper.mapMethodDesc(desc));
    }

    protected FieldVisitor createRemappingFieldAdapter(FieldVisitor fv)
    {
        return new RemappingFieldAdapter(fv, remapper);
    }

    protected MethodVisitor createRemappingMethodAdapter(int access, String newDesc, MethodVisitor mv)
    {
        return new RemappingMethodAdapter(access, newDesc, mv, remapper);
    }

    protected AnnotationVisitor createRemappingAnnotationAdapter(AnnotationVisitor av)
    {
        return new RemappingAnnotationAdapter(av, remapper);
    }
}

